IBM System/370 145 Operating Procedures Manual page 87

Note:
86
The power-on sequence
takes approximately
45 seconds.
No
Press
CHECK RESET Key
Yes
Page 84/85
No
Yes
">0.;",,;;,; ... .-1
35 seconds.
Report:
1. Power Failure
2. Status of Indicators
3. Status of all I/O
Devices
Power Problem
1. Check customer CPU power
source. Reset circuit breakers
if necessary.
2.Check alii/a device
power sources.